We're going to solve 5505 multiplied by 1998
5505 × 1998 = 1998 × (5505)
+ 1998 × 5 resulting in 9990
+ 1998 × 00 what gives us 0
+ 1998 × 500 resulting in 999000
+ 1998 × 5000 giving us 9990000

= 10998990
